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Hardness Form
Hardness Form |
洛氏 |
表面洛氏 |
维氏 |
布氏(F/D2=30) |
HRC |
HRA |
HR15N |
HR30N |
HR45N |
HV |
HBS |
HBW |
20.0 |
60.2 |
68.8 |
40.7 |
19.2 |
226 |
225 | |
20.5 |
60.4 |
69.0 |
41.2 |
19.8 |
228 |
227 | |
21.0 |
60.7 |
69.3 |
41.7 |
20.4 |
230 |
229 | |
21.5 |
61.0 |
69.5 |
42.2 |
21.0 |
233 |
232 | |
22.0 |
61.2 |
69.8 |
42.6 |
21.5 |
235 |
234 |
|
22.5 |
61.5 |
70.0 |
43.1 |
22.1 |
238 |
237 |
|
23.0 |
61.7 |
70.3 |
43.6 |
22.7 |
241 |
240 |
|
23.5 |
62.0 |
70.6 |
44.0 |
23.3 |
244 |
242 |
|
24.0 |
62.2 |
70.8 |
44.5 |
23.9 |
247 |
245 |
|
24.5 |
62.5 |
71.1 |
45.0 |
24.5 |
250 |
248 |
|
25.0 |
62.8 |
71.4 |
45.5 |
25.1 |
253 |
251 |
|
25.5 |
63.0 |
71.6 |
45.9 |
25.7 |
256 |
254 |
|
26.0 |
63.3 |
71.9 |
46.4 |
26.9 |
259 |
257 |
|
26.5 |
63.5 |
72.2 |
46.9 |
26.9 |
262 |
260 |
|
27.0 |
63.8 |
72.4 |
47.3 |
27.5 |
266 |
263 |
|
27.5 |
64.0 |
72.7 |
47.8 |
28.1 |
269 |
266 |
|
28.0 |
63.3 |
73.0 |
48.3 |
28.7 |
273 |
269 |
|
28.5 |
64.6 |
73.3 |
48.7 |
29.3 |
276 |
273 |
|
29.0 |
64.8 |
73.5 |
49.2 |
29.9 |
280 |
276 |
|
29.5 |
65.1 |
73.8 |
49.7 |
30.5 |
284 |
280 |
|
30.0 |
65.3 |
74.1 |
50.2 |
31.1 |
288 |
283 |
|
30.5 |
65.5 |
74.4 |
50.6 |
31.7 |
292 |
287 |
|
31.0 |
65.8 |
74.7 |
51.1 |
32.3 |
296 |
291 |
|
31.5 |
66.1 |
74.9 |
51.6 |
32.9 |
300 |
294 |
|
32.0 |
66.4 |
75.2 |
52.0 |
33.5 |
304 |
298 |
|
32.5 |
66.6 |
75.5 |
52.5 |
34.1 |
308 |
302 |
|
33.0 |
66.9 |
75.8 |
53.0 |
34.7 |
313 |
306 |
|
33.5 |
67.1 |
76.1 |
53.4 |
35.3 |
317 |
310 |
|
34.0 |
67.4 |
76.4 |
53.9 |
35.9 |
321 |
314 |
|
34.5 |
67.7 |
76.7 |
54.4 |
36.5 |
326 |
318 |
|
35.0 |
67.9 |
77.0 |
54.8 |
37.0 |
331 |
323 |
|
35.5 |
68.2 |
77.2 |
55.3 |
37.6 |
335 |
327 |
|
36.0 |
68.4 |
77.5 |
55.8 |
38.2 |
340 |
332 |
|
36.5 |
68.7 |
77.8 |
56.2 |
38.8 |
345 |
336 |
|
37.0 |
69.0 |
78.1 |
56.7 |
39.4 |
350 |
341 |
|
37.5 |
69.2 |
78.4 |
57.2 |
40.0 |
355 |
345 |
|
38.0 |
69.5 |
78.7 |
57.6 |
40.6 |
360 |
350 |
|
38.5 |
69.7 |
79.0 |
58.1 |
41.2 |
365 |
355 |
|
39.0 |
70.0 |
79.3 |
58.6 |
41.8 |
371 |
360 |
|
39.5 |
70.3 |
79.6 |
59.0 |
42.4 |
376 |
365 |
|
40.0 |
70.5 |
79.9 |
59.5 |
43.0 |
381 |
370 |
370 |
40.5 |
70.8 |
80.2 |
60.0 |
43.6 |
387 |
375 |
375 |
41.0 |
71.1 |
80.5 |
60.4 |
44.2 |
393 |
380 |
381 |
41.5 |
71.3 |
80.8 |
60.9 |
44.8 |
398 |
385 |
386 |
42.0 |
71.6 |
81.1 |
61.3 |
45.4 |
404 |
391 |
392 |
42.5 |
71.8 |
81.4 |
61.8 |
45.9 |
410 |
396 |
397 |
43.0 |
72.1 |
81.7 |
62.3 |
46.5 |
416 |
401 |
403 |
43.5 |
72.4 |
82.0 |
62.7 |
47.1 |
422 |
407 |
409 |
44.0 |
72.6 |
82.3 |
63.2 |
47.7 |
428 |
413 |
415 |
44.5 |
72.9 |
82.6 |
63.6 |
48.3 |
435 |
418 |
422 |
45.0 |
73.2 |
82.9 |
64.1 |
48.9 |
441 |
424 |
428 |
45.5 |
73.4 |
83.2 |
64.6 |
49.5 |
448 |
430 |
435 |
46.0 |
73.7 |
83.5 |
65.0 |
50.1 |
454 |
436 |
441 |
46.5 |
73.9 |
83.7 |
65.5 |
50.7 |
461 |
442 |
448 |
47.0 |
74.2 |
84.0 |
65.9 |
51.2 |
468 |
449 |
449 |
47.5 |
74.5 |
84.3 |
66.4 |
51.8 |
475 |
463 |
|
48.0 |
74.7 |
84.6 |
66.8 |
52.4 |
482 |
470 |
|
48.5 |
75.0 |
84.9 |
67.3 |
53.0 |
489 |
478 |
|
49.0 |
75.3 |
85.2 |
67.7 |
53.6 |
497 |
486 |
|
49.5 |
75.5 |
85.5 |
68.2 |
54.2 |
504 |
494 |
|
50.0 |
75.8 |
85.7 |
68.6 |
54.7 |
512 |
502 |
|
50.5 |
76.1 |
86.0 |
69.1 |
55.3 |
520 |
510 |
|
51.0 |
76.3 |
86.3 |
69.5 |
55.9 |
527 |
518 |
|
51.5 |
76.6 |
86.6 |
70.0 |
56.5 |
535 |
527 |
|
52.0 |
76.9 |
86.8 |
70.4 |
57.1 |
544 |
535 |
|
52.5 |
77.1 |
87.1 |
70.9 |
57.6 |
552 |
544 |
|
53.0 |
77.4 |
87.4 |
71.3 |
58.2 |
561 |
552 |
|
53.5 |
77.7 |
87.6 |
71.8 |
58.8 |
569 |
561 |
|
54.0 |
77.9 |
87.9 |
72.2 |
59.4 |
578 |
569 |
|
54.5 |
78.2 |
88.1 |
72.6 |
59.9 |
587 |
577 |
|
55.0 |
78.5 |
88.4 |
73.1 |
60.5 |
596 |
585 |
|
55.5 |
78.7 |
88.6 |
73.5 |
61.1 |
606 |
593 |
|
56.0 |
79.0 |
88.9 |
73.9 |
61.7 |
615 |
601 |
|
56.5 |
79.3 |
89.1 |
74.4 |
62.2 |
625 |
608 |
|
57.0 |
79.5 |
89.4 |
74.8 |
62.8 |
635 |
616 |
|
57.5 |
79.8 |
89.6 |
75.2 |
63.4 |
645 |
622 |
|
58.0 |
80.1 |
89.8 |
75.6 |
33.9 |
655 |
628 |
|
58.5 |
80.3 |
90.0 |
76.1 |
64.5 |
666 |
634 |
|
59.0 |
80.6 |
90.2 |
76.5 |
65.1 |
676 |
639 |
|
59.5 |
80.9 |
90.4 |
76.9 |
65.6 |
687 |
643 |
|
60.0 |
81.2 |
90.6 |
75.2 |
66.2 |
698 |
647 |
|
60.5 |
81.4 |
90.8 |
77.7 |
66.8 |
710 |
650 |
|
61.0 |
81.7 |
91.0 |
78.1 |
67.3 |
721 | |
|
61.5 |
82.0 |
91.2 |
78.6 |
67.9 |
733 | |
|
62.0 |
82.2 |
90.4 |
79.0 |
68.4 |
745 | |
|
62.5 |
82.5 |
91.5 |
79.4 |
69.0 |
757 | |
|
63.0 |
82.8 |
91.7 |
79.8 |
69.5 |
770 | |
|
63.5 |
83.1 |
91.8 |
80.2 |
70.1 |
782 | |
|
64.0 |
83.3 |
91.9 |
80.6 |
70.6 |
795 | |
|
64.5 |
83.6 |
92.1 |
81.0 |
71.2 |
809 | |
|
65.0 |
83.9 |
92.2 |
81.3 |
71.7 |
822 | |
|
65.5 |
84.1 |
836 | | | | |
|
66.0 |
84.4 |
850 | | | | |
|
66.5 |
84.7 |
865 | | | | |
|
67.0 |
85.0 |
879 | | | | | |
67.5 |
85.2 |
894 | | | | | |
68.0 |
85.5 |
909 | | | | | |
|